
.width-400 {
    width: 400px;
}

.width-480 {
    width: 480px;
}

.width-200 {
    width: 200px;
}

.height-200 {
    height: 200px;
}

.width-240 {
    width: 240px;
}

.news > div:nth-child(1) > img {
    width: 100%;
    height: 100%;
}

.news > div:nth-child(2) > div {
    border-bottom: 1px dashed gray;
    margin-top: 10px;
}

/*.border-bottom-gray-dashed {*/
/*    border-bottom: 1px dashed gray;*/
/*}*/
/* 产品展示*/
.product > div:nth-child(2) > div {
    width: 185px;
}

.product > div:nth-child(2) > div > div:nth-child(1) {
    height: 150px;
}

.product img {
    width: 100%;
    height: 100%;
}
